NOURISHING COLOR MASK to revive, intensify, and tone natural, colored, or highlighted hair. It brightens dull, lifeless hair with intense reflections. The formula enriched with Tamanu Oil keeps hair shiny and soft. Usage: After shampooing, with towel-dried hair, distribute evenly with the help of a comb. Leave on for 3 to 15 minutes depending on the desired effect, after which rinse thoroughly with water.Mask.